<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
<script type="text/javascript" src="/ssm01/js/jquery.min.js"></script>
<script type="text/javascript">
$(document).ready(function(){
	$("#btn").click(function(){
		var name=$("input[name=name]").val;
		$.post("/ssm01/user/checkName",{name:name},function(msg){
			if(msg=='1'){
				alert("该用户名已存在");
			}else{
				$("#form1").submit();
			}
		})
	})
})

</script>

</head>
<body>
<form action="/ssm01/user/save" method="post" id="form1">
用户名:<input type="text" name="name">
密码:<input type="password" name="password">
<input type="button" value="保存" id="btn">
</form>
</body>
</html>